Shelf/display unit



FIG. 1 is a front perspective view of a shelf/display unit showing my new design oriented in a vertical direction;

FIG. 2 is a side plan view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a top view thereof.

It will be understood that the broken lines shown in the drawings illustrate portions of the shelf/display unit that form no part of claimed design. 

CLAIM The ornamental design for a shelf/display unit, as shown and described. 